Going to the toilet after eating is not necessarily caused by disease, it may be a normal physiological phenomenon; it may also be caused by pathological factors, such as irritable bowel syndrome, chronic gastroenteritis. 1. Normal physiological phenomenon: the defecation habits of some patients may be defecation after meals. And after eating, gastrointestinal peristalsis will accelerate, will promote gastrointestinal digestion and absorption, but also will promote defecation, so that if the patient does not have other discomforts, eat after going to the toilet is a normal physiological phenomenon, generally do not need special treatment. 2. Pathological factors (1) Irritable bowel syndrome (IBS): a common gastrointestinal dysfunction disorder characterized by persistent or intermittent episodes of abdominal pain and bloating, often accompanied by changes in bowel habits and abnormal stool characteristics, but without organic lesions. After eating, the intestinal mucosa is irritated, which may cause the patient to go to the toilet after eating. (2) Chronic gastroenteritis: it is a chronic inflammation of the gastrointestinal mucosa caused by a variety of etiological factors, and is mainly manifested by chronic indigestion, diarrhea, constipation and other symptoms. If you eat unclean food, irritating food, the gastrointestinal mucosa caused by stimulation, will lead to the patient to go to the toilet after eating. There are many other reasons that cause patients to go to the toilet after eating, if the symptoms are still not relieved after eliminating physiological factors, it is recommended that the patient consult a doctor in a timely manner and follow the doctor’s instructions for standardized treatment.